19964984

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{14767}}^1$

素因数の和:14799

約数の個数: 24

約数和(自身を含む): 40538160

約数和(自身を除く): 20573176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 14767, 29534, 59068, 118136, 191971, 383942, 767884, 1535768, 2495623, 4991246, 9982492, 19964984]

約数ペア:

[(1, 19964984), (2, 9982492), (4, 4991246), (8, 2495623), (13, 1535768), (26, 767884), (52, 383942), (104, 191971), (169, 118136), (338, 59068), (676, 29534), (1352, 14767)]